ci: simplify npm publishing action to trigger on release

Author: LexLuengas

.github/workflows/npm-publish.yml

@@ -0,0 +1,36 @@
+name: Publish Node.js package
+
+on:
+  release:
+    types: [created]
+
+jobs:
+  build-npmjs:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up publishing to npmjs.com
+        uses: actions/setup-node@v3
+        with:
+          node-version: '10.x'
+          registry-url: 'https://registry.npmjs.org'
+      - run: npm ci
+      - run: npm publish
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_AUTH_TOKEN }}
+  build-github-packages:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up publishing to GitHub Packages
+        uses: actions/setup-node@v3
+        with:
+          node-version: '10.x'
+          registry-url: 'https://npm.pkg.github.com'
+      - run: npm ci
+      - run: npm publish
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.GITHUB_TOKEN }}